package src.lab02.text31;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by 12442 on 2017/11/2.
 */
public class Test {

    public static void main(String[] args) {

        //数组：量词 三个单词，五个学生，十个手机

        //十个整数

        int[] numbers=new int[10];

        //集合：List,Set,Map
        List<Integer> List=new ArrayList<Integer>();
        List.add(10);
        List.add(14);
        List.add(15);
        List.add(19);

        for (Integer num:List){

            System.out.println(num);
        }

        List<String> names=new ArrayList<>();
        names.add("张三");
        names.add("李四");
        names.add("王五");
        names.add("马六");

        for (String name:names){

            System.out.println(names.indexOf(name)+"1"+name);
        }
        System.out.println("集合大小："+names.size());

        String delName=names.remove(2);
        System.out.println("删除的第三个元素是："+delName);

        System.out.println(names.get(2));
    }
}
